When an armed man storms her late-night flight to Moscow, former military pilot Sylvie is pulled into the cockpit to help.

Mechanic Jakub clashes with the others about what to do next; a WiFi signal brings troubling new intelligence on the disaster -- and on some of the passengers.

As the group deals with mechanical crises, Terenzio challenges Mathieu's authority; Horst makes contact with another plane.

Rik organizes a hasty trial to decide Ayaz's fate; Terenzio reveals rumors of a NATO refuge; Sylvie grows concerned about Mathieu's state of mind.

The mission to NATO headquarters takes a dramatic turn; Laura and Horst tend to a medical emergency; Jakub and Osman rush to solve the fuel problem.

Emotions run high as the group makes one last frantic bid to reach safety before dawn breaks.